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Organization and Summary of Significant Accounting Policies - Accrued Expenses (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Employee wages and benefits $ 396,567 $ 474,388
Research and development expenses 176,791 69,795
Other 47,275 21,820
Accrued expenses $ 620,633 $ 566,003